Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/examples/advanced/brachytherapy/src/BrachySteppingAction.cc

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  1 //
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 25 //
 26 // Author: Susanna Guatelli (guatelli@ge.infn.it)
 27 //
 28 #include "BrachySteppingAction.hh"
 29 #include "G4AnalysisManager.hh"
 30 #include "G4ios.hh"
 31 #include "G4SteppingManager.hh"
 32 #include "G4Step.hh"
 33 #include "G4Track.hh"
 34 #include "G4StepPoint.hh"
 35 #include "G4ParticleDefinition.hh"
 36 #include "G4VPhysicalVolume.hh"
 37 #include "G4TrackStatus.hh"
 38 #include "G4ParticleDefinition.hh"
 39 #include "G4Gamma.hh"
 40 #include "G4SystemOfUnits.hh"
 41 
 42 
 43 void BrachySteppingAction::UserSteppingAction(const G4Step* aStep)
 44 {
 45 
 46 // Retrieve the spectrum of photons emitted in the Radioactive Decay
 47 // and store it in a 1D histogram
 48 
 49   G4SteppingManager*  steppingManager = fpSteppingManager;
 50   G4Track* theTrack = aStep-> GetTrack();
 51 
 52   // check if it is alive
 53   if(theTrack-> GetTrackStatus() == fAlive) {return;}
 54    
 55   // Retrieve the secondary particles
 56   G4TrackVector* fSecondary = steppingManager -> GetfSecondary();
 57      
 58    for(size_t lp1=0;lp1<(*fSecondary).size(); lp1++)
 59    { 
 60      // Retrieve particle
 61      const G4ParticleDefinition* particleName = (*fSecondary)[lp1] -> GetDefinition();     
 62 
 63      if (particleName == G4Gamma::Definition())
 64      {
 65       G4String process = (*fSecondary)[lp1]-> GetCreatorProcess()-> GetProcessName();  
 66       
 67       // Retrieve the process originating it
 68       // G4cout << "creator process " << process << G4endl;
 69         if (process == "RadioactiveDecay")
 70          {
 71           G4double energy = (*fSecondary)[lp1]  -> GetKineticEnergy();   
 72           G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();
 73            // Fill histogram with energy spectrum of the photons emitted in the 
 74            // radioactive decay
 75            analysisManager -> FillH1(0, energy/keV);
 76          }
 77       }
 78    } 
 79 }
 80